EP4331995A4 - Turboréacteur à double flux aérien et tuyère de conduit externe - Google Patents

Turboréacteur à double flux aérien et tuyère de conduit externe

Info

Publication number
EP4331995A4
EP4331995A4 EP22933088.1A EP22933088A EP4331995A4 EP 4331995 A4 EP4331995 A4 EP 4331995A4 EP 22933088 A EP22933088 A EP 22933088A EP 4331995 A4 EP4331995 A4 EP 4331995A4
Authority
EP
European Patent Office
Prior art keywords
air flow
turbojet engine
double air
external duct
duct nozzle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22933088.1A
Other languages
German (de)
English (en)
Other versions
EP4331995A1 (fr
Inventor
Zheng Cui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commercial Aircraft Corp of China Ltd
Beijing Aeronautic Science and Technology Research Institute of COMAC
Original Assignee
Commercial Aircraft Corp of China Ltd
Beijing Aeronautic Science and Technology Research Institute of COMAC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commercial Aircraft Corp of China Ltd, Beijing Aeronautic Science and Technology Research Institute of COMAC filed Critical Commercial Aircraft Corp of China Ltd
Publication of EP4331995A1 publication Critical patent/EP4331995A1/fr
Publication of EP4331995A4 publication Critical patent/EP4331995A4/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C7/00—Structures or fairings not otherwise provided for
    • B64C7/02—Nacelles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
    • B64D27/02—Aircraft characterised by the type or position of power plants
    • B64D27/16—Aircraft characterised by the type or position of power plants of jet type
    • B64D27/18—Aircraft characterised by the type or position of power plants of jet type within, or attached to, wings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D29/00—Power-plant nacelles, fairings or cowlings
    • B64D29/02—Power-plant nacelles, fairings or cowlings associated with wings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/40—Nozzles having means for dividing the jet into a plurality of partial jets or having an elongated cross-section outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/52—Nozzles specially constructed for positioning adjacent to another nozzle or to a fixed member, e.g. fairing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C7/00—Structures or fairings not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP22933088.1A 2022-03-22 2022-11-04 Turboréacteur à double flux aérien et tuyère de conduit externe Pending EP4331995A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210283285.9A CN114715416B (zh) 2022-03-22 2022-03-22 一种航空涡扇发动机及外涵道喷口
PCT/CN2022/129923 WO2023179037A1 (fr) 2022-03-22 2022-11-04 Turboréacteur à double flux aérien et tuyère de conduit externe

Publications (2)

Publication Number Publication Date
EP4331995A1 EP4331995A1 (fr) 2024-03-06
EP4331995A4 true EP4331995A4 (fr) 2025-04-23

Family

ID=82240504

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22933088.1A Pending EP4331995A4 (fr) 2022-03-22 2022-11-04 Turboréacteur à double flux aérien et tuyère de conduit externe

Country Status (4)

Country Link
US (1) US12252250B2 (fr)
EP (1) EP4331995A4 (fr)
CN (1) CN114715416B (fr)
WO (1) WO2023179037A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114715416B (zh) * 2022-03-22 2025-08-12 中国商用飞机有限责任公司北京民用飞机技术研究中心 一种航空涡扇发动机及外涵道喷口

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020178711A1 (en) * 2001-05-31 2002-12-05 Steven Martens Truncated chevron exhaust nozzle
FR2902758A1 (fr) * 2006-06-21 2007-12-28 Airbus France Sas Ensemble propulsif d'aeronef comportant un conduit d'ejection avec un bord de fuite echancre
US20080272228A1 (en) * 2006-08-09 2008-11-06 The Boeing Company Jet Engine Nozzle Exit Configurations, Including Projections Oriented Relative To Pylons, and Associated Systems and Methods
US20100115958A1 (en) * 2008-11-11 2010-05-13 The Boeing Company Radially translating fan nozzle nacelle
CA2648765C (fr) * 2008-08-11 2011-04-19 The Boeing Company Configurations de sortie de buse de reacteur comprenant des projections orientees relativement aux pylones et methodes et systemes connexes
CN109751284A (zh) * 2017-11-01 2019-05-14 波音公司 锯齿状尾部边缘以反向推力模式提供附着流的风扇罩

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4466587A (en) * 1981-12-21 1984-08-21 General Electric Company Nacelle installation
US6969028B2 (en) * 2003-01-22 2005-11-29 The Boeing Company Scarf nozzle for a jet engine and method of using the same
US6964397B2 (en) * 2003-07-18 2005-11-15 The Boeing Company Nacelle chine installation for drag reduction
US7543452B2 (en) * 2005-08-10 2009-06-09 United Technologies Corporation Serrated nozzle trailing edge for exhaust noise suppression
WO2008151843A1 (fr) * 2007-06-15 2008-12-18 Airbus Deutschland Gmbh Fuseau-moteur d'un avion comportant un dispositif de génération de tourbillons
US8875486B2 (en) * 2010-05-17 2014-11-04 Rohr, Inc. Guide system for nacelle assembly
FR2993921B1 (fr) * 2012-07-26 2014-07-18 Snecma Procede pour ameliorer les performances du systeme d'ejection d'un turbomoteur d'aeronef a double flux separes, systeme d'ejection et turbomoteur correspondants.
US10240561B2 (en) * 2013-03-15 2019-03-26 United Technologies Corporation Aerodynamic track fairing for a gas turbine engine fan nacelle
US10570926B2 (en) * 2015-12-03 2020-02-25 The Boeing Company Variable-geometry ducted fan
US11613345B2 (en) * 2019-05-20 2023-03-28 The Boeing Company Aircraft nacelles having adjustable chines
CN112824665B (zh) * 2019-11-21 2022-02-18 中国航发商用航空发动机有限责任公司 外涵喷管驱动装置、组件以及气流输出面积调整方法
CN217416120U (zh) * 2022-03-22 2022-09-13 中国商用飞机有限责任公司北京民用飞机技术研究中心 一种航空涡扇发动机及外涵道喷口
CN114715416B (zh) * 2022-03-22 2025-08-12 中国商用飞机有限责任公司北京民用飞机技术研究中心 一种航空涡扇发动机及外涵道喷口

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020178711A1 (en) * 2001-05-31 2002-12-05 Steven Martens Truncated chevron exhaust nozzle
FR2902758A1 (fr) * 2006-06-21 2007-12-28 Airbus France Sas Ensemble propulsif d'aeronef comportant un conduit d'ejection avec un bord de fuite echancre
US20080272228A1 (en) * 2006-08-09 2008-11-06 The Boeing Company Jet Engine Nozzle Exit Configurations, Including Projections Oriented Relative To Pylons, and Associated Systems and Methods
CA2648765C (fr) * 2008-08-11 2011-04-19 The Boeing Company Configurations de sortie de buse de reacteur comprenant des projections orientees relativement aux pylones et methodes et systemes connexes
US20100115958A1 (en) * 2008-11-11 2010-05-13 The Boeing Company Radially translating fan nozzle nacelle
CN109751284A (zh) * 2017-11-01 2019-05-14 波音公司 锯齿状尾部边缘以反向推力模式提供附着流的风扇罩

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023179037A1 *

Also Published As

Publication number Publication date
US20240124121A1 (en) 2024-04-18
CN114715416B (zh) 2025-08-12
US12252250B2 (en) 2025-03-18
EP4331995A1 (fr) 2024-03-06
WO2023179037A1 (fr) 2023-09-28
CN114715416A (zh) 2022-07-08

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A4 Supplementary search report drawn up and despatched

Effective date: 20250325

RIC1 Information provided on ipc code assigned before grant

Ipc: F02K 1/52 20060101ALI20250319BHEP

Ipc: B64D 29/00 20060101AFI20250319BHEP

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